(19)

(11)

EP 2 013 872 A2

(12)

(88) Date of publication A3: 21.02.2008 (43) Date of publication: 14.01.2009 Bulletin 2009/03 (21) Application number: 07761306.5 (22) Date of filing: 26.04.2007

(51) International Patent Classification (IPC):  G11B 5/455(2006.01) G11B 20/10(2006.01) G06F 3/06(2006.01) (86) International application number: PCT/US2007/067448 (87) International publication number: WO 2007/130834 (15.11.2007 Gazette 2007/46)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 01.05.2006 US 414952 (71) Applicant: SCIENTIFIC-ATLANTA, INC. Lawrenceville, GA 30044 (US)	(72) Inventors: JEON, Edwin Duluth, Georgia 30097 (US) MURRAY, Mark Randall Atlanta, GA 30342 (US) MAGUIRE, Kevin Edward Lawrenceville, Georgia 30045 (US) (74) Representative: Pautex Schneider, Nicole Véronique et al Novagraaf International SA 25, avenue du Pailly 1220 Les Avanchets - Geneva 1220 Les Avanchets - Geneva (CH)